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From: "pault at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/91316] Derived type finalization failing
Date: Sat, 18 Mar 2023 16:26:56 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D91316

--- Comment #5 from Paul Thomas <pault at gcc dot gnu.org> ---
Hi Jose,

This is fixed to the extent that it behaves in the same way as ifort.

nagfor, on the other hand, gives:
[pault@pc30 pr37336]$ rm ./a.out;nagfor pr91316.f90 -g;./a.out
NAG Fortran Compiler Release 7.1(Hanzomon) Build 7115
Error: pr91316.f90, line 39: Finaliser FINAL_END for INTENT(OUT) dummy THIS
(no. 1) of pure procedure FINAL_INIT is not pure
Errors in declarations, no further processing for FINAL_INIT
Error: pr91316.f90, line 48: Rank 0 type FINAL_T result variable of pure
function FINAL_SET will invoke an impure final subroutine
Errors in declarations, no further processing for FINAL_SET

Malcolm Cohen has convinced me that this error is correct.
Setting the elemental functions to be impure recovers the expected behaviour
with nagfor.

I will keep this PR open as a place holder for this nit.

Regards

Paul=